IMHO.

Chroma Key vs Proton & Electron

Chroma Key and Proton & Electron both land in Indie on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Indie games on Steam. Chroma Key (2022) is 4 years older than Proton & Electron (2026). Proton & Electron has co-op; Chroma Key does not. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Chroma Key

Choose Chroma Key if it's a focused single-player run rather than a multiplayer commitment. Chroma Key launched in 2022.

Choose Proton & Electron

Choose Proton & Electron if you want an Action, Adventure, and Casual game with Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Proton & Electron launched in 2026.

Both Chroma Key and Proton & Electron sit in Indie on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

Chroma Key vs Proton & Electron — Steam metadata comparison
Chroma Key — Steam game coverChroma KeyProton & Electron — Steam game coverProton & Electron
Released20222026
GenresIndieAction, Indie, Adventure, Casual
PlatformsWindowsWindows, macOS
Steam DeckUnratedUnrated
Price1.99 USDPrice unknown
Steam reviews1 reviews
MultiplayerSingle-player onlyMulti-player, Shared/Split Screen Co-op, Co-op
DevelopersMax WildeElectronLab

Side by side

Chroma Key vs Proton & Electron — FAQ

Should I play Chroma Key or Proton & Electron first?
If you want chronology, Chroma Key (2022) came out before Proton & Electron (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are Chroma Key and Proton & Electron similar?
They overlap on Indie on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Does Chroma Key have multiplayer like Proton & Electron?
No. Proton & Electron supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Chroma Key is listed as single-player only.
Chroma Key vs Proton & Electron — Verdict (2026) · imho.run